PCI2040PGEG4

The PCI2040PGEG4 is a versatile and robust PCI (Peripheral Component Interconnect) bridge chip manufactured by Texas Instruments. This device is designed to facilitate communication between a PCI bus and various peripheral devices, making it an essential component in many computer and embedded system applications.

Key Features:

1. Architecture: The PCI2040PGEG4 operates as a PCI-to-PCI bridge, allowing for the expansion of PCI buses. It supports a 32-bit data bus and operates at a PCI bus speed of up to 33 MHz, ensuring efficient data transfer rates.

2. Pin Configuration: The chip is housed in a compact, surface-mount package, typically in a 64-pin TQFP (Thin Quad Flat Package) configuration. This design allows for easy integration into circuit boards while minimizing space requirements.

3. Power Management: The PCI2040PGEG4 includes advanced power management features, supporting various power states to reduce power consumption during idle periods. This is particularly beneficial in battery-operated devices and systems where energy efficiency is critical.

4. Compatibility: The device is compliant with the PCI 2.2 specification, ensuring compatibility with a wide range of existing PCI devices and systems. This makes it suitable for use in legacy systems as well as newer designs.

5. Bus Mastering: The PCI2040PGEG4 supports bus mastering capabilities, allowing it to initiate data transfers independently of the host CPU. This feature enhances system performance by offloading data transfer tasks from the processor.

6. Interrupt Handling: The chip provides robust interrupt handling capabilities, allowing it to manage multiple interrupt requests from connected devices efficiently. This is crucial for maintaining system responsiveness in multi-device environments.

7. Temperature Range: The PCI2040PGEG4 is designed to operate within a wide temperature range, making it suitable for various applications, including industrial and automotive environments.

8. Applications: Common applications for the PCI2040PGEG4 include network interface cards, graphics cards, and other peripheral devices that require high-speed data transfer and efficient communication with the host system.

Summary:

The PCI2040PGEG4 from Texas Instruments is a highly capable PCI bridge chip that enhances system performance and flexibility in a variety of applications. Its combination of advanced features, compatibility, and efficient power management makes it an ideal choice for designers looking to expand PCI capabilities in their systems. Whether used in consumer electronics, industrial automation, or embedded systems, the PCI2040PGEG4 stands out as a reliable and effective solution for PCI connectivity.